#ifndef IRCCLIENT_H
#define IRCCLIENT_H

#include "connectiondata.h"

#include <QRegularExpression>
#include <QSharedPointer>
#include <QTcpSocket>
#include <QThread>
#include <QTimer>
#include <map>

class IrcClient : public QObject
{
    Q_OBJECT
public:
    IrcClient(const ConnectionData& config, QObject *parent = nullptr);
    ~IrcClient();
    QStringList getOnlineUsers(const QString& channel);
    void connectToServer();

private:
    enum class IrcCode {
        Failed = -1,
        NamesList = 353,
        NickNameIsAlreadyInUse = 433
    };

    void write(const QString& message, bool log = true);
    void process(const QString& message);
    IrcCode getServerCode(const QString& message);
    QString getChannelName(const QString& message);
    QString getNickname(const QString& message);
    void toTrigger(const QString& channel, const QString& nickname, const QString& message);
    void toChatLog(QString channel, const QString& nick, const QString& message);
    void consoleLog(const QString& message);
    void errorLog(const QString& message);

    QTcpSocket* m_socket;
    ConnectionData m_connectionData;
    QTimer m_timerToJoin;
    QTimer m_nickRecover;
    QTimer m_usersActualize; // really need it?
    QTimer m_pingTimeout;

    const QRegularExpression m_rgxPrivmsg {"^[^\\s]*\\sPRIVMSG"};
    const QRegularExpression m_rgxJoin {"^[^\\s]*\\sJOIN"};
    const QRegularExpression m_rgxPart {"^[^\\s]*\\sPART"};
    const QRegularExpression m_rgxNick {"^[^\\s]*\\sNICK"};
    const QRegularExpression m_rgxMode {"^[^\\s]*\\sMODE"};
    const QRegularExpression m_rgxKick {"^[^\\s]*\\sKICK"};
    const QRegularExpression m_rgxQuit {"^[^\\s]*\\sQUIT"};

    bool m_reconnectReport;
    bool m_connected;
    std::map<QString, QStringList> m_online; // channel, nicks

    QString m_readingBuffer;
    bool m_shouldAppendMessage;

private slots:
    void onRead();
    void onLogin();
    void onDisconnected();
    void pingTimedOut();
    void actualizeUsersList();
    void nickRecover();

signals:
    void startInfo(QString server, QStringList channels);
    void someAction(QString server, QString channel, QStringList users);
    void myOnline(QString server, quint8 status);
    void myNickname(QString server, QString nick);
};

#endif // IRCCLIENT_H